./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e93f2d6f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:07:07,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:07:07,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:07:07,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:07:07,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:07:07,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:07:07,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:07:07,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:07:07,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:07:07,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:07:07,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:07:07,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:07:07,609 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:07:07,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:07:07,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:07:07,611 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:07:07,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:07:07,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:07:07,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:07:07,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:07:07,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:07:07,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:07:07,617 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:07:07,617 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:07:07,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:07:07,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:07:07,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:07:07,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:07:07,618 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:07:07,619 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:07:07,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:07:07,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:07:07,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:07:07,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:07:07,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:07:07,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:07:07,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:07:07,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:07:07,622 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:07:07,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:07:07,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:07:07,623 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:07:07,623 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:07:07,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:07:07,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:07:07,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:07:07,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:07:07,997 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:07:07,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:07:07,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i [2023-11-21 16:07:09,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:07:09,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:07:09,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i [2023-11-21 16:07:09,708 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/29718e803/4cc6aecb241844e7a002f04fe82f70dc/FLAG235afaf18 [2023-11-21 16:07:09,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/29718e803/4cc6aecb241844e7a002f04fe82f70dc [2023-11-21 16:07:09,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:07:09,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:07:09,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:07:09,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:07:09,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:07:09,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:09" (1/1) ... [2023-11-21 16:07:09,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9e5e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:09, skipping insertion in model container [2023-11-21 16:07:09,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:09" (1/1) ... [2023-11-21 16:07:09,805 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:07:10,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:07:10,343 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:07:10,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:07:10,458 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:07:10,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10 WrapperNode [2023-11-21 16:07:10,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:07:10,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:07:10,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:07:10,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:07:10,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10" (1/1) ... [2023-11-21 16:07:10,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10" (1/1) ... [2023-11-21 16:07:10,524 INFO L138 Inliner]: procedures = 323, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-21 16:07:10,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:07:10,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:07:10,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:07:10,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:07:10,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10" (1/1) ... [2023-11-21 16:07:10,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10" (1/1) ... [2023-11-21 16:07:10,540 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:10" (1/1) ... [2023-11-21 16:07:10,554 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:121) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:107) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 16:07:10,570 INFO L158 Benchmark]: Toolchain (without parser) took 835.60ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 37.1MB in the beginning and 46.3MB in the end (delta: -9.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-21 16:07:10,570 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:07:10,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.34ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 36.9MB in the beginning and 50.0MB in the end (delta: -13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 16:07:10,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.62ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:07:10,572 INFO L158 Benchmark]: Boogie Preprocessor took 42.63ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 46.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:07:10,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.34ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 36.9MB in the beginning and 50.0MB in the end (delta: -13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.62ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.63ms. Allocated memory is still 92.3MB. Free memory was 47.3MB in the beginning and 46.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:07:12,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:07:12,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Bitvector.epf [2023-11-21 16:07:12,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:07:12,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:07:12,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:07:12,678 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:07:12,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:07:12,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:07:12,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:07:12,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:07:12,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:07:12,684 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:07:12,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:07:12,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:07:12,687 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:07:12,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:07:12,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:07:12,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:07:12,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:07:12,688 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:07:12,689 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:07:12,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 16:07:12,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 16:07:12,690 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:07:12,690 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:07:12,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:07:12,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:07:12,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:07:12,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:07:12,692 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:07:12,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:07:12,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:07:12,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:07:12,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:07:12,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 16:07:12,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 16:07:12,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:07:12,694 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:07:12,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:07:12,695 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:07:12,695 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:07:12,695 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:07:12,695 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 16:07:12,696 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee95c6207d65de8bda179fc4eddfd8312f741d4c9ea2d4ac3b4363fbcaae8d19 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:07:13,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:07:13,063 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:07:13,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:07:13,066 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:07:13,067 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:07:13,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i [2023-11-21 16:07:14,476 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:07:14,723 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:07:14,723 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems-b.i [2023-11-21 16:07:14,751 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6fbc639a/23ed853e7a17416fbdadd8ec18f85bd9/FLAG34c8081fc [2023-11-21 16:07:14,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6fbc639a/23ed853e7a17416fbdadd8ec18f85bd9 [2023-11-21 16:07:14,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:07:14,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:07:14,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:07:14,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:07:14,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:07:14,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:14" (1/1) ... [2023-11-21 16:07:14,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da5c99d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:14, skipping insertion in model container [2023-11-21 16:07:14,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:07:14" (1/1) ... [2023-11-21 16:07:14,847 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:07:15,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:07:15,372 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:07:15,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:07:15,524 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:07:15,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15 WrapperNode [2023-11-21 16:07:15,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:07:15,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:07:15,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:07:15,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:07:15,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15" (1/1) ... [2023-11-21 16:07:15,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15" (1/1) ... [2023-11-21 16:07:15,595 INFO L138 Inliner]: procedures = 326, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-21 16:07:15,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:07:15,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:07:15,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:07:15,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:07:15,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15" (1/1) ... [2023-11-21 16:07:15,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15" (1/1) ... [2023-11-21 16:07:15,622 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:07:15" (1/1) ... [2023-11-21 16:07:15,637 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processStatementList(AliasAnalysis.java:161) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processBody(AliasAnalysis.java:128) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.aliasAnalysis(AliasAnalysis.java:117) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.tryToSliceMemory(HeapSplitter.java:121) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.HeapSplitter.process(HeapSplitter.java:107) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:155) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 16:07:15,643 INFO L158 Benchmark]: Toolchain (without parser) took 852.79ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 55.6MB in the end (delta: -634.9kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 16:07:15,644 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 55.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:07:15,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.13ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 54.8MB in the beginning and 59.7MB in the end (delta: -4.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 16:07:15,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.12ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 16:07:15,646 INFO L158 Benchmark]: Boogie Preprocessor took 44.24ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 16:07:15,649 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 56.8MB in the end (delta: 55.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.13ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 54.8MB in the beginning and 59.7MB in the end (delta: -4.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.12ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.24ms. Allocated memory is still 96.5MB. Free memory was 56.8MB in the beginning and 55.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0 de.uni_freiburg.informatik.ultimate.boogie.preprocessor: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0: de.uni_freiburg.informatik.ultimate.boogie.preprocessor.memoryslicer.AliasAnalysis.processJoinStatement(AliasAnalysis.java:175) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index 0 out of bounds for length 0